2783892380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73609}}^1$

素因数の和:73710

約数の個数: 48

約数和(自身を含む): 6133774080

約数和(自身を除く): 3349881700

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 9455, 18910, 37820, 73609, 147218, 294436, 368045, 736090, 1472180, 2281879, 4490149, 4563758, 8980298, 9127516, 11409395, 17960596, 22450745, 22818790, 44901490, 45637580, 89802980, 139194619, 278389238, 556778476, 695973095, 1391946190, 2783892380]

約数ペア:

[(1, 2783892380), (2, 1391946190), (4, 695973095), (5, 556778476), (10, 278389238), (20, 139194619), (31, 89802980), (61, 45637580), (62, 44901490), (122, 22818790), (124, 22450745), (155, 17960596), (244, 11409395), (305, 9127516), (310, 8980298), (610, 4563758), (620, 4490149), (1220, 2281879), (1891, 1472180), (3782, 736090), (7564, 368045), (9455, 294436), (18910, 147218), (37820, 73609)]